USD $100.00-100.00 / Kilogram
USD $10.00-90.00 / Kilogram
USD $8.80-8.80 / Gram
USD $10.00-90.00 / Kilogram
USD $2.00-2.00 / Gram
USD $1.00-10.00 / Kilogram
USD $2.00-2.00 / Gram
USD $2.00-2.00 / Gram
items |
specifications |
results |
---|---|---|
appearance |
white to almost white crystalline powder |
conforms |
identification |
a.b.c |
conforms |
specific optical rotation |
-52。- +60 。 |
+56.0。 |
loss on drying |
≤ 1.0% |
0.02% |
residue on ignition |
≤ 0.2% |
0.08% |
heavy metals |
≤ 20ppm |
conforms |
residul solvents |
tetrahydrofuran ≤ 720ppm |
conforms |
related substances |
single impurity: ≤ 0.5% total impurity: ≤ 1.0% |
0.16% 0.28% |
assay (on dried basis ) |
97.0% ~ 103.0% |
98.0% |
items |
specifications |
---|---|
appearance |
white to almost white crystalline powder |
identification |
a.b.c |
specific optical rotation |
-52。- +60 。 |
loss on drying |
≤ 1.0% |
residue on ignition |
≤ 0.2% |
heavy metals |
≤ 20ppm |
residul solvents |
tetrahydrofuran ≤ 720ppm |
related substances |
single impurity: ≤ 0.5% total impurity: ≤ 1.0% |
assay (on dried basis ) |
97.0% ~ 103.0% |